# Continuous integration workflow for wxWidgets.
name: GitHub CI

on:
  push:
    branches:
      - master
    paths-ignore:
      - 'build/tools/appveyor*.bat'
      - 'build/tools/travis-ci.sh'
      - 'distrib/**'
      - 'docs/**'
      - 'interface/**'
      - 'include/msvc/**'
      - 'include/wx/msw/**'
      - 'locale/**'
      - 'src/msw/**'
      - '*.md'
      - '*.yml'
      - 'wxwidgets.props'
  pull_request:
    branches:
      - master
    paths-ignore:
      - 'build/tools/appveyor*.bat'
      - 'build/tools/travis-ci.sh'
      - 'distrib/**'
      - 'docs/**'
      - 'interface/**'
      - 'include/msvc/**'
      - 'include/wx/msw/**'
      - 'locale/**'
      - 'src/msw/**'
      - '*.md'
      - '*.yml'
      - 'wxwidgets.props'

jobs:
  build:
    runs-on: ${{ matrix.runner }}
    name: ${{ matrix.name }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - name: Ubuntu 16.04 wxGTK 2
            runner: ubuntu-16.04
            gtk_version: 2
            use_xvfb: true
          - name: Ubuntu 16.04 wxGTK 3 static
            runner: ubuntu-16.04
            configure_flags: --disable-shared
            use_xvfb: true
          - name: Ubuntu 18.04 wxGTK 2 UTF-8
            runner: ubuntu-18.04
            gtk_version: 2
            configure_flags: --enable-utf8 --enable-utf8only --enable-monolithic
            use_xvfb: true
          - name: Ubuntu 18.04 wxGTK 3 STL
            runner: ubuntu-18.04
            configure_flags: --enable-cxx11 --enable-stl --disable-compat30
            use_xvfb: true
          - name: Ubuntu 18.04 wxGTK 3 with clang
            runner: ubuntu-18.04
            compiler: clang
            configure_flags: --disable-sys-libs
            use_xvfb: true
          - name: Ubuntu 20.04 wxGTK ANSI
            runner: ubuntu-20.04
            configure_flags: --disable-unicode
            skip_samples: true
          - name: Ubuntu 20.04 wxGTK with ASAN
            runner: ubuntu-20.04
            configure_flags: --disable-compat30 --disable-sys-libs --disable-webview
            skip_samples: true
            use_asan: true
            use_xvfb: true
          - name: Ubuntu 18.04 wxX11
            runner: ubuntu-18.04
            configure_flags: --with-x11 --enable-pch --disable-stc
            skip_samples: true
          - name: Ubuntu 18.04 wxDFB
            runner: ubuntu-18.04
            configure_flags: --with-directfb --enable-pch --disable-stc
            skip_samples: true
            allow_warnings: true
          - name: Ubuntu 18.04 wxMotif
            runner: ubuntu-18.04
            configure_flags: --with-motif --enable-pch --disable-stc
            skip_samples: true
          - name: Ubuntu 18.04 wxQt
            runner: ubuntu-18.04
            configure_flags: --with-qt --enable-pch --without-opengl
            skip_samples: true

    env:
      wxGTK_VERSION: ${{ matrix.gtk_version && matrix.gtk_version || 3 }}
      wxCONFIGURE_FLAGS: ${{ matrix.configure_flags }}
      wxUSE_ASAN: ${{ matrix.use_asan && 1 || 0 }}
      wxUSE_XVFB: ${{ matrix.use_xvfb && 1 || 0 }}

    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          submodules: 'recursive'

      - name: Set environment variables
        run: |
          echo LD_LIBRARY_PATH=`pwd`/lib >> $GITHUB_ENV

          wxPROC_COUNT=`nproc`
          ((wxPROC_COUNT++))
          echo wxPROC_COUNT=$wxPROC_COUNT >> $GITHUB_ENV
          echo wxBUILD_ARGS=-j$wxPROC_COUNT >> $GITHUB_ENV

          # Setting this variable suppresses "Error retrieving accessibility bus address"
          # messages from WebKit tests that we're not interested in.
          echo NO_AT_BRIDGE=1 >> $GITHUB_ENV

          case "${{ matrix.compiler }}" in
            clang)
              echo CC=clang >> $GITHUB_ENV
              echo CXX='clang++ -stdlib=libc++' >> $GITHUB_ENV
              echo LD=clang++ >> $GITHUB_ENV

              allow_warn_opt="-Wno-error=#warnings"
              ;;

            '')
              # Assume gcc.
              allow_warn_opt="-Wno-error=cpp"
              ;;

            *)
              echo "*** Unknown compiler: ${{ matrix.compiler }} ***"
              ;;
          esac

          if [ -z ${{ matrix.allow_warnings }} ]; then
            error_opts="-Werror $allow_warn_opt"
            echo "wxMAKEFILE_ERROR_CXXFLAGS=$error_opts" >> $GITHUB_ENV
            echo "wxMAKEFILE_CXXFLAGS=$wxMAKEFILE_CXXFLAGS $error_opts" >> $GITHUB_ENV
          fi

          echo "wxMAKEFILE_CXXFLAGS=$wxMAKEFILE_CXXFLAGS $error_opts" >> $GITHUB_ENV

      - name: Before install
        run: |
          ./build/tools/before_install.sh

      - name: Configuring
        run: |
          wxCONFIGURE_OPTIONS="--disable-optimise $wxCONFIGURE_FLAGS"
          if [ -n "${{ matrix.gtk_version }}" ]; then
            wxCONFIGURE_OPTIONS="--with-gtk=${{ matrix.gtk_version }} $wxCONFIGURE_OPTIONS"
          fi

          if [ ${{ matrix.use_asan }} ]; then
            wxASAN_CFLAGS="-fsanitize=address -fno-omit-frame-pointer"
            wxASAN_CXXFLAGS=$wxASAN_CFLAGS
            wxASAN_LDFLAGS="-fsanitize=address"

            ./configure $wxCONFIGURE_OPTIONS --enable-debug "CFLAGS=$wxASAN_CFLAGS" "CXXFLAGS=$wxASAN_CXXFLAGS" "LDFLAGS=$wxASAN_LDFLAGS" || rc=$?
          else
            ./configure $wxCONFIGURE_OPTIONS --disable-debug_info || rc=$?
          fi

          if [ -n "$rc" ]; then
            echo '*** Configuring failed, contents of config.log follows: ***'
            echo '-----------------------------------------------------------'
            cat config.log
            echo '-----------------------------------------------------------'
            exit $rc
          fi

      - name: Building
        run: |
          make -k $wxBUILD_ARGS "CXXFLAGS=$wxMAKEFILE_ERROR_CXXFLAGS"

      - name: Building tests
        run: |
          if [ !${{ matrix.skip_gui }} ]; then
            make -C tests $wxBUILD_ARGS failtest
          fi
          make -k -C tests $wxBUILD_ARGS "CXXFLAGS=$wxMAKEFILE_CXXFLAGS" "LDFLAGS=$wxMAKEFILE_LDFLAGS"

      - name: Testing
        if: matrix.skip_testing != true
        working-directory: tests
        run: |
          echo "Launching httpbin"
          pip install httpbin
          python -m httpbin.core 2>&1 >httpbin.log &
          export WX_TEST_WEBREQUEST_URL=http://localhost:5000

          export ASAN_OPTIONS=fast_unwind_on_malloc=0

          # Explicitly use bash because /bin/sh doesn't have pipefail option
          /bin/bash -o pipefail -c './test 2>&1 | tee test.out' || rc=$?
          if [ ${{ matrix.use_asan }} ]; then
            # Work around spurious crashes by running the test again.
            # See https://github.com/google/sanitizers/issues/1353
            if fgrep -q 'LeakSanitizer has encountered a fatal error' test.out; then
                echo '+++ Rerunning the tests once again after LeakSanitizer crash +++'
                unset rc
                ./test || rc=$?
            fi
          fi
          if [ -n "$rc" ]; then
            echo '*** Tests failed, contents of httpbin.log follows: ***'
            echo '-----------------------------------------------------------'
            cat httpbin.log
            echo '-----------------------------------------------------------'
            exit $rc
          fi

      - name: Testing GUI using Xvfb
        if: matrix.skip_testing != true && matrix.skip_gui != true && matrix.use_xvfb
        working-directory: tests
        run: |
          if [ ${{ matrix.use_asan }} ]; then
            # Leak suppression only works if we have debug symbols available,
            # otherwise we disable it to avoid tons of reports about leaks in
            # libfontconfig etc.
            if [ -f wx_dbgsym_available ]; then
                export LSAN_OPTIONS=suppressions=$(pwd)/misc/suppressions/lsan
            else
                ASAN_OPTIONS=detect_leaks=0
            fi
            export ASAN_OPTIONS="$ASAN_OPTIONS fast_unwind_on_malloc=0"
          fi
          ulimit -c unlimited
          /bin/bash -o pipefail -c 'xvfb-run -a -s "-screen 0 1600x1200x24" ./test_gui 2>&1 | tee test_gui.out' || rc=$?
          if [ -n "$rc" ]; then
            if fgrep -q '(core dumped)' test_gui.out; then
                echo '*** Test crashed, trying to get more information ***'
                gdb --quiet --core=core -ex 'where' -ex 'thread apply all bt' -ex 'q' ./test_gui
            fi
            exit $rc
          fi

      - name: Building samples
        if: matrix.skip_testing != true && matrix.skip_gui != true && matrix.skip_samples != true
        run: |
          make -k $wxBUILD_ARGS "CXXFLAGS=$wxMAKEFILE_CXXFLAGS" "LDFLAGS=$wxMAKEFILE_LDFLAGS" samples

      - name: Installing
        if: matrix.skip_testing != true
        run: |
          sudo make install

      - name: Testing installation
        if: matrix.skip_testing != true
        run: |
          make -C samples/minimal -f makefile.unx clean
          make -C samples/minimal -f makefile.unx $wxBUILD_ARGS "CXXFLAGS=$wxMAKEFILE_CXXFLAGS" "LDFLAGS=$wxMAKEFILE_LDFLAGS"